DyStar waxay qiyaastay waxqabadka wakiilkeeda cusub ee dhimista kaas oo ay sheegtay inay samaysato milix yar ama aan lahayn inta lagu jiro habka midabaynta indigo ee nidaamkeeda Cadira Denim.
Waxay tijaabiyeen wakiilka yaraynta organic 'Sera Con C-RDA' kaas oo la shaqeeya Dystar's 40% dareeraha indigo ee horay loo dhimay si loo baabi'iyo isticmaalka sodium hydrosulphite (hydros) ee midabaynta indigo - si looga dhigo u hoggaansanaanta dheecaanka dareeraha si aad u fudud.
Natiijooyinka tijaabooyinka ayaa muujinaya in indigo-dyebths ay ku jiraan ku dhawaad ​​'60 jeer' cusbo ka yar qubeyska iyadoo la isticmaalayo dheeha indigo-ga budada ah oo lagu dhimay hydros, iyo '23 jeer' cusbo ka yar isticmaalka dareeraha indigo-ga ee horay loo dhimay oo leh sodium hydrosulphite.